Quarter	US dollars
1999-09-30	919
1999-12-31	724
2000-03-31	844
2000-06-30	812
2000-09-30	779
2000-12-31	644
2001-03-31	994
2001-06-30	722
2001-09-30	713
2001-12-31	630
2002-03-31	696
2002-06-30	539
2002-09-30	516
2002-12-31	616
2003-03-31	725
2003-06-30	840
2003-09-30	816
2003-12-31	804
2004-03-31	605
2004-06-30	843
2004-09-30	697